Exercise apparatus



FIG. 1 is a front perspective view of an exercise apparatus showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a back view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof; and,

FIG. 8 is a rear perspective view thereof.

The broken lines in the drawings are for the purpose of illustrating portions of the exercise apparatus, which form no part of the claimed design. 

CLAIM The ornamental design for an exercise apparatus, as shown and described. 